The Topeak Air Booster Race Pod is a compact and completely self-contained tire inflation kit. The kit includes a Micro Air Booster CO2 pump and two 16g CO2 cartridges. Quick attachment with F25 QuickClick™ directly under the saddle or on the top frame tube.* Use only Topeak CO2 cartridges. Pump head Galusky and motorized valve Pump material CNC aluminium Mounting QuickClick™ F25 Top tube mount Package includes 2x Threaded cartridge 16 g CO2 Dimensions 10.7 x 5.8 x 5.5 cm Weight 172 g Art.No.: TAB-EXT01